How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/9100.0*Chance in playoffs100.0*9th-12th Playoffs100.0*Average seed
Ireland 24 Japan 14 +23.3
-23.4
+2.0
Ireland 19 Australia 17 +17.8
-21.9
+1.8
New Zealand 121 Hong Kong 0 -0.6
-0.5
-0.0
United States 43 Spain 0 -0.5
-0.5
-0.0
Canada 15 Wales 0 -0.5
-0.5
-0.0
England 56 Italy 13 -0.4
-0.5
-0.0
Canada 98 Hong Kong 0 -0.3
-0.7
France 72 Japan 14 -0.2
United States 24 Italy 12 *-0.1
If winner is:HomeDrawAway
France vs Australia-0.4+0.5+0.4
+0.1+0.1-0.1
If winner is:HomeDrawAway
Week of 8/17100.0*Chance in playoffs100.0*9th-12th Playoffs100.0*Average seed
Ireland vs FranceIn+17.3Out
+1.6+0.7-1.6
England vs United States+0.1-0.4*-0.0
-0.0+0.2-0.0
Canada vs New Zealand-0.2*-0.3+0.2
-0.0+0.1+0.0
Australia vs Japan-0.1+0.1+0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

Chances based on how well the Ireland finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed9th-12th
TPW-D-Lplayoffs123456789101112PlayoffsCount
121-0-0In0199No6,986,881
100-1-067.5%5117249No169,784
80-0-1Out7624No6,983,679
Total:50.2%0050003712No14,140,344
Games Above .500
Chance Will Make Playoffs